1. B.D. Cuming and J.H. Schulman, Austral. J. Chem 12, 413 (1959)
2. H.S. Hanna and Saleeb, F.Z., “Adsorption and Wetting Properties of Calcite and Calcium Carbonate with Anionic Surfactants” 14th ACS Midwest Regional Meeting, Fayetteville, Arkansas (1978).
3. H.S. Hanna and Somasundaran, P.J., Colloid, Interf. Sci. 70, 1, 181 (1979).
4. T. Nash, F. Appl. Chem. 8, 440 (1958).
5. E.F. Hillenbrand, Jr., SutEierland, W.E., and Hogsett, J.N., Anal. Chem. 23, 606 (1951).